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// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import React from 'react';
import {Link} from 'react-router';
export default class BackstageSection extends React.Component {
static get propTypes() {
return {
name: React.PropTypes.string.isRequired,
title: React.PropTypes.node.isRequired,
parentLink: React.PropTypes.string,
subsection: React.PropTypes.bool,
children: React.PropTypes.arrayOf(React.PropTypes.element)
};
}
static get defaultProps() {
return {
parentLink: '',
subsection: false,
children: []
};
}
static get contextTypes() {
return {
router: React.PropTypes.object.isRequired
};
}
constructor(props) {
super(props);
this.handleClick = this.handleClick.bind(this);
this.state = {
expanded: true
};
}
getLink() {
return this.props.parentLink + '/' + this.props.name;
}
isActive() {
const link = this.getLink();
return this.context.router.isActive(link);
}
handleClick(e) {
if (this.isActive()) {
// we're already on this page so just toggle the link
e.preventDefault();
this.setState({
expanded: !this.state.expanded
});
}
// otherwise, just follow the link
}
render() {
const {title, subsection, children} = this.props;
const link = this.getLink();
const active = this.isActive();
// act like docs.mattermost.com and only expand if this link is active
const expanded = active && this.state.expanded;
let toggle = null;
if (children.length > 0) {
if (expanded) {
toggle = <i className='fa fa-minus-square-o'/>;
} else {
toggle = <i className='fa fa-plus-square-o'/>;
}
}
let clonedChildren = null;
if (children.length > 0 && expanded) {
clonedChildren = (
<ul className='subsections'>
{
React.Children.map(children, (child) => {
return React.cloneElement(child, {
parentLink: link,
subsection: true
});
})
}
</ul>
);
}
let className = 'section';
if (subsection) {
className = 'subsection';
}
return (
<li className={className}>
<Link
className={`${className}-title`}
activeClassName={`${className}-title--active`}
onClick={this.handleClick}
to={link}
>
{toggle}
<span className={`${className}-title__text`}>
{title}
</span>
</Link>
{clonedChildren}
</li>
);
}
}
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